Osg 8612253 Jobber Drill Bit Wire 39 130 Deg Pm V Coat

Product Description

The OSG 8612253 is a jobber length drill bit designed for high-performance drilling in ferrous and hard materials. It is sized to wire gauge 39 (0.0995 inches / 2.53 mm) and features a 130-degree X-thinned point that promotes self-centering and reduces thrust on entry. The bit is manufactured from powdered metal (PM) high-speed steel and carries a V coating for improved surface hardness and heat resistance. With a regular spiral flute and tapered web configuration, it handles blind holes, cross holes, and through-hole drilling in a single tool. Licensed HVAC and mechanical trades, machinists, and industrial maintenance techs are the primary installers.

This bit is suited for drilling steel, alloy steel, cast iron, and nickel alloys across production and maintenance environments. The straight-cylindrical shank fits standard three-jaw chucks on benchtop drill presses, CNC machining centers, and handheld power drills. The 30.00 mm flute length and 62.00 mm overall length make it appropriate for moderate-depth blind holes and intersecting cross-hole applications where chip evacuation is critical. It is sold individually and is part of OSG Series 1950.

Key Features

• Wire size 39 diameter (0.0995 inches / 2.53 mm) with tight tolerance of plus 0 to minus 0.014 mm
• 130-degree X-thinned point for self-centering entry and reduced walking on hard materials
• Powdered metal construction with V coating for elevated wear and heat resistance
• Regular spiral flute with tapered web for consistent chip removal in blind and cross holes
• Right-hand cut, straight-cylindrical shank compatible with standard drill chucks
• Rated for steel, alloy steel, cast iron, and nickel alloy workpieces

Compatibility

Designed as a direct-fit replacement or standard-production bit for applications requiring a wire size 39 diameter drill in steel, alloy steel, cast iron, and nickel alloy materials per OSG Series 1950 specifications.

Installation Notes

Install into a properly sized collet or three-jaw chuck, ensuring the shank seats fully before tightening to prevent runout. Power down the machine and lock out the spindle before bit changes. Use appropriate cutting fluid or coolant for the workpiece material even though this bit does not feature through-coolant capability. Follow applicable OSHA and machine-tool manufacturer guidelines for speed and feed selection based on workpiece hardness.